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Schedule of Available-for-sale Securities, Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jul. 31, 2023
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	$ 455	$ 645
Debt Securities, Available-for-Sale, Unrealized Loss Position	28,048	41,635
Certificates of Deposit [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss		4
Debt Securities, Available-for-Sale, Unrealized Loss Position		3,356
US Treasury Bill Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	76	148
Debt Securities, Available-for-Sale, Unrealized Loss Position	21,754	31,038
US Government-sponsored Enterprises Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	3	8
Debt Securities, Available-for-Sale, Unrealized Loss Position	2,910	3,873
Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	376	485
Debt Securities, Available-for-Sale, Unrealized Loss Position	$ 3,384	$ 3,368

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

+ References

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- Definition

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